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This post about Linux df command opens series of articles for Linux newbies where you'll find description and usage examples of major Linux commands like df, top, fsck, mount and so on.
Introduction
Linux df comman... →

Restricted shells like rssh and scponly give sysadmin the possibility to limit the operations that Linux user can do, for example you can create user that will be allowed to copy files via scp but won't be permitted to l... →

HAProxy is open source proxy that can be used to enable high availability and load balancing for web applications. It was designed especially for high load projects so it is very fast and predictable, HAProxy is based on... →

Most of Linux distributions comes with Linux Auditing System that makes it possible to track file changes, file accesses as well as system calls. It's pretty useful functionality for sysadmins who wish to know who and wh... →

cpulimit is a small program written in C that allows to limit CPU usage by Linux process. Limit is specified in percentage so it's possible to prevent high CPU load generated by scripts, programs or processes.
I found... →

Some time ago I came across NagMap addon for Nagios and found it pretty helpful for monitoring multiple hosts around the world.
For example, there are some production servers in Europe, US and others in India and New ... →

In this post you will find set of password managers for Linux which provides secure storage for your passwords for sensitive data. If you still keep the passwords in plain text then you must consider one of available pas... →

It's hard to believe but I didn't know about Grub fallback feature. So every time when I needed to reboot remote server into a new kernel I had to test it on local server to make sure it won't panic on remote unit. And i... →

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Who’s behind LinuxScew?

My name is Artem Nosulchik, I'm part time blogger and full-time Linux sysadmin. In 2007 I started LinuxScrew to share my personal notes on anything related to Linux and Open Source on the whole and found this pretty interesting.